1 files changed, 48 insertions, 0 deletions
diff --git a/main/survey/download.php b/main/survey/download.php
new file mode 100644
index 0000000..08ddab5
--- /dev/null
+++ b/main/survey/download.php
@@ -0,0 +1,48 @@
+<?php
+
+include ('../../function.php');
+
+$code = $_GET['code'];
+$anketa = $_GET['anketa'];
+
+$sql = sisplet_query("SELECT filename FROM srv_data_upload WHERE ank_id='$anketa' AND code='$code'");
+if (mysqli_num_rows($sql) == 0) die();
+$row = mysqli_fetch_array($sql);
+
+$filename = $row['filename'];
+
+$mimetype = 'mime/type';
+
+header('Content-Type: '.$mimetype );
+header('Content-Disposition: attachment; filename="'.$filename.'"');
+
+readfile_chunked('uploads/'.$filename);
+
+
+  // Read a file and display its content chunk by chunk
+  function readfile_chunked($filename, $retbytes = TRUE) {
+    $buffer = '';
+    $cnt =0;
+    // $handle = fopen($filename, 'rb');
+    $handle = fopen($filename, 'rb');
+    if ($handle === false) {
+      return false;
+    }
+    while (!feof($handle)) {
+      $buffer = fread($handle, 1024*1024);
+      echo $buffer;
+      ob_flush();
+      flush();
+      if ($retbytes) {
+        $cnt += strlen($buffer);
+      }
+    }
+    $status = fclose($handle);
+    if ($retbytes && $status) {
+      return $cnt; // return num. bytes delivered like readfile() does.
+    }
+    return $status;
+  }
+
+
+?>
+\ No newline at end of file